1.
训练集与验证集的基线及临床特征比较
Baseline demographic and clinical characteristics of the training set and validation set[n(%)]
| Variable | Training set (n=578) | Validation set (n=243) | All (n=821) | P |
| *CHD: Coronary heart disease PVD: Peripheral vascular disease. | ||||
| Age (year) | 61.5±13 | 61.4±13 | 61.4±13 | 0.862 |
| Gender | ||||
| Male | 359(62.1%) | 147(60.5%) | 506(61.6%) | 0.72 |
| Female | 219(37.9%) | 96(39.5%) | 315(38.4%) | |
| BMI (kg/m2) | ||||
| < 18.5 | 38(6.6%) | 12(4.9%) | 50(6.1%) | 0.787 |
| 18.5- | 275(47.6%) | 122(50.2%) | 397(48.4%) | |
| 24- | 199(34.4%) | 81(33.3%) | 280(34.1) | |
| 28- | 66(11.4%) | 28(11.5%) | 94(11.4%) | |
| Smoke status | ||||
| No | 508(59.5%) | 217(89.3%) | 725(88.3%) | 0.649 |
| Yes | 70(12.1%) | 26(10.7%) | 96(11.7%) | |
| Drinking status | ||||
| No | 509(88.1%) | 223(91.8%) | 732(89.2%) | 0.151 |
| Yes | 69(11.9%) | 20(8.2%) | 89(10.8%) | |
| Hypertension | ||||
| No | 203(35.1%) | 108(44.4%) | 311(37.9%) | 0.015 |
| Yes | 375(64.9%) | 135(55.6%) | 510(62.1%) | |
| Diabetes | ||||
| No | 424(73.4%) | 165(67.9%) | 589(71.7%) | 0.134 |
| Yes | 154(26.6%) | 78(32.1%) | 232(28.3%) | |
| CHD | ||||
| No | 442(76.5%) | 187(77.0%) | 629(76.6%) | 0.953 |
| Yes | 136(23.5%) | 56(23.0%) | 192(23.4%) | |
| Pyperlipmia | ||||
| No | 385(66.6%) | 45(67.5%) | 549(66.9%) | 0.870 |
| Yes | 193(33.4%) | 79(32.5%) | 272(33.1%) | |
| PVD | ||||
| No | 558(96.5%) | 227(93.4%) | 785(95.6%) | 0.070 |
| Yes | 20(3.5%) | 16(6.6%) | 36(4.4%) | |
| Adherence | ||||
| Yes | 19(3.3%) | 7(2.9%) | 26(3.2%) | 0.932 |
| No | 559(96.7%) | 236(97.1%) | 795(96.8%) | |
| mRS | ||||
| < 3 | 389(67.3%) | 162(66.7%) | 551(67.1%) | 0.924 |
| 3- | 189(32.7%) | 81(33.3%) | 270(32.9%) | |
| Three-year recurrence rate | 16.93% | 16.88% | 16.81% | 0.284 |
| Five-year recurrence rate | 19.52% | 21.39% | 19.98% | 0.524 |